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#1947545 - 07/09/10 08:59 AM Heavy rain yesterday. Brakes feel different today.
Reddy45 Offline


Registered: 08/15/08
Posts: 626
Loc: USA
We had some serious flash flooding yesterday when I was driving home, and I had to go through a few areas where it felt like the water was about 8"-12" deep on the road. My truck has ground clearance of around 9" to 10" from the ground to the bottom side of my doors (so any water at the wheel/tire would have been almost halfway).

I noticed this morning when backing out of my driveway that my brakes were squeaking. Not terribly unusual since it does happen often after washing the vehicle.

But, when braking normally in traffic, it seems like the brakes feel MUCH firmer, but stopping distance feels longer.

I'm confused?

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#1947558 - 07/09/10 09:12 AM Re: Heavy rain yesterday. Brakes feel different today. [Re: Reddy45]
KrisZ Offline


Registered: 12/23/06
Posts: 4465
Loc: Toronto, Canada
If the brakes were fairly hot and got cooled down quickly by water, the pads may have glazed a little, that's why you have firm brake pedal but less braking force.
_________________________
"I always thought I was perfect, until one time I thought I was wrong and it turned out I wasn't."

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#1947581 - 07/09/10 09:33 AM Re: Heavy rain yesterday. Brakes feel different today. [Re: KrisZ]
Reddy45 Offline


Registered: 08/15/08
Posts: 626
Loc: USA
Originally Posted By: KrisZ
If the brakes were fairly hot and got cooled down quickly by water, the pads may have glazed a little, that's why you have firm brake pedal but less braking force.


Ah good point. That seems very possible. Would normal driving repair the glazed pad problem?

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#1947590 - 07/09/10 09:40 AM Re: Heavy rain yesterday. Brakes feel different today. [Re: Reddy45]
KrisZ Offline


Registered: 12/23/06
Posts: 4465
Loc: Toronto, Canada
Yes the glazing, provided it's not severe, should be removed by normal driving.
_________________________
"I always thought I was perfect, until one time I thought I was wrong and it turned out I wasn't."

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#1947661 - 07/09/10 10:40 AM Re: Heavy rain yesterday. Brakes feel different today. [Re: KrisZ]
hate2work Offline


Registered: 09/04/08
Posts: 4617
Loc: Western Washington

Or you could re-bed them with several passes from 50 mph down to 5 mph. Let them cool well before stopping completely.
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#1947807 - 07/09/10 01:02 PM Re: Heavy rain yesterday. Brakes feel different today. [Re: hate2work]
mechtech2 Offline


Registered: 09/05/06
Posts: 19479
Loc: Chicago Area
Do you have rear drums?
Water is tough to get in normally, but if it is flooded, changes are sure to be noted.

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